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CN-121973287-A - Differential corner rounding equipment

CN121973287ACN 121973287 ACN121973287 ACN 121973287ACN-121973287-A

Abstract

The invention relates to a differential corner cutting device which comprises a frame, wherein a conveying mechanism for conveying products, a blocking mechanism for positioning the products before cutting and a cutting mechanism for cutting the products are arranged on the frame, the conveying mechanism comprises a plurality of parallel conveying belts, a driven shaft arranged at the beginning end or the tail end of the conveying belts, a first driving shaft arranged in the middle part or the tail of the conveying belts and used for driving the conveying belts in a single number row to operate, and a second driving shaft arranged in the middle part or the tail of the conveying belts and used for driving the conveying belts in a double number row to operate.

Inventors

  • JIANG YUNZHONG

Assignees

  • 兰溪市蓝科机械有限公司

Dates

Publication Date
20260505
Application Date
20260228

Claims (10)

  1. 1. A differential round angle cutting device comprises a frame (1), wherein a conveying mechanism (2) for conveying products, a blocking mechanism (4) for positioning the products before cutting and a cutting mechanism (3) for cutting the products are arranged on the frame (1), the differential round angle cutting device is characterized in that the conveying mechanism (2) comprises a plurality of side-by-side conveying belts (23), a driven shaft (24) arranged at the beginning end or the tail end of the conveying belts (23), a first driving shaft (51) arranged at the middle part or the tail end of the conveying belts (23) and used for driving the conveying belts (23) of a single-number row to run, a second driving shaft (52) arranged at the middle part or the tail end of the conveying belts (23) and used for driving the conveying belts (23) of a double-number row to run, a plurality of first driving wheels (22) which are in one-to-one matching connection with the conveying belts (23) of the single-number row are arranged on the first driving shaft (52) at intervals, a plurality of second driving wheels (25) which are in one-to-one matching connection with the conveying belts (23) of the double-number row are arranged on the second driving shaft (52), a first driving gear (511) is connected to the first driving shaft (51), a second driving gear (511) is connected to a second driving gear (521) which is connected to a second driving gear (521), the automatic feeding device comprises a first transmission gear (511) and a first motor (53) on a frame (1), wherein transmission is formed between the first transmission gear (511) and the first motor (53) on the frame (1) through gears and a transmission chain, the diameter of the first transmission gear (511) is R1, the diameter of the second transmission gear (521) is R2, R1=N×R2, the distance from a product positioning and cutting station of a single-number row of conveyor belts (23) to the starting position of the conveyor belts (23) is H1, and the distance from a product positioning and cutting station of double-number row of conveyor belts (23) to the starting position of the conveyor belts (23) is H2, and N×H2= H2.
  2. 2. The corner cutting device according to claim 1, wherein the cutting mechanism (3) comprises an upper cutter beam (31) arranged above the conveying mechanism (2), a plurality of fixing seats (32) arranged on the upper cutter beam (31) and a cam assembly (33) used for driving the upper cutter beam (31) to lift, a first sliding block (34) is arranged at the end part of the upper cutter beam (31), the first sliding block (34) is connected with a first sliding rail (35), the upper cutter beam (31) can slide up and down along the first sliding rail (35), the fixing seats (32) are arranged on two sides above the conveying belt (23), and a corner cutting blade (324) is arranged on each fixing seat (32).
  3. 3. The corner cutting apparatus according to claim 2, wherein the cam assembly (33) comprises cams (331) disposed on two sides of the inner side of the frame (1) and a cam shaft (332) connected with the two cams (331), a first rod (333) is disposed on the cam (331), one end, away from the cams (331), of the first rod (333) is provided with a connecting rod (334), a second rod (335) is disposed on the connecting rod (334) near the first rod (333), one end, away from the connecting rod (334), of the second rod (335) is provided with a third rod (336), the second rod (335) is hinged to the third rod (336), one end, away from the second rod (335), of the third rod (336) is connected with the upper cutter beam (31), and the first motor (53) drives the cam (331) to lift the upper cutter beam (31).
  4. 4. A corner rounding apparatus according to claim 3, characterized in that the fixing base (32) is provided with a pressing rod (321) extending downwards, a spring (322) is sleeved outside the pressing rod (321), a pressing block (323) is arranged at the lower end of the pressing rod (321), and an upper top block (325) is arranged below the pressing block (323) and fixedly connected to the outer side of each conveyor belt (23).
  5. 5. The corner cutting apparatus according to claim 1, wherein the return-to-stop mechanism (4) comprises a first mounting beam (41) provided across the conveying mechanism (2) and a fixing member (42) provided on the first mounting beam (41), a first cylinder (43) is mounted on the fixing member (42), the first cylinder (43) is telescopic in a vertical direction, and a front baffle (44) is provided at a piston rod end of the first cylinder (43).
  6. 6. The corner cutting apparatus according to claim 5, wherein the return-blocking mechanism (4) further comprises second cylinders (45) arranged at both sides of the frame (1) and side baffles (46) driven by the second cylinders (45) and capable of moving in opposite directions or back to each other, a return-blocking rod (47) is longitudinally arranged at the end of a piston rod of the second cylinders (45), the return-blocking rod (47) is provided with the side baffles (46), and the side baffles (46) are arranged at both sides of the conveyor belt (23); The blocking mechanism (4) further comprises a second mounting beam (48) arranged above the conveyor belt (23), a mounting block (49) is arranged on the second mounting beam (48), a blocking block (40) hinged with the mounting block (49) is arranged on the mounting block (49), and the bottom of the blocking block (40) abuts against the surface of the conveyor belt (23).
  7. 7. The corner cutting equipment according to claim 6, wherein a turnover platform (7) is arranged on one side of the conveying mechanism (2), a third driving shaft (71) is arranged on one side, close to the conveying mechanism (2), of the turnover platform (7), a third motor (72) is arranged on the inner side wall of the frame (1), the third motor (72) is in transmission connection with the third driving shaft (71), supporting plates (73) are arranged on two sides of the turnover platform (7), a third air cylinder (74) is arranged between the supporting plates (73) and the frame (1), and a piston shaft of the third air cylinder (74) is connected with the supporting plates (73).
  8. 8. The corner cutting apparatus according to claim 7, wherein mounting seats (411) are provided on both sides of the first mounting beam (41), second sliding blocks (412) are provided on the mounting seats (411), the second sliding blocks (412) are connected with second sliding rails (413), and the second sliding rails (413) are fixedly connected to the side walls of the frame (1).
  9. 9. The corner cutting apparatus according to claim 1, wherein a set of cutting means (3) and return blocking means (4) is provided above the conveyor belt (23) driven by the first drive shaft (51) and above the conveyor belt (23) driven by the second drive shaft (52), and each set of cutting means (3) and return blocking means (4) is arranged at intervals.
  10. 10. The corner rounding apparatus of claim 1, wherein N is greater than or equal to 1.5.

Description

Differential corner rounding equipment Technical Field The invention belongs to the technical field of booklet production equipment, and particularly relates to differential corner cutting equipment. Background The filleting machine is one kind of equipment for cutting right-angle edge of workpiece, such as paper board, sheet metal, plastic sheet, book, etc. into circular arc angle to reach the aim of being beautiful, safe, and meeting specific technological requirement. The utility model provides an automatic corner rounding machine in the patent text of present publication number CN221391314U, through the hold-down assembly who sets up before the corner rounding, the slider passes through the backup pad and is connected with the limiting plate, flexible cylinder and compact heap pass through the slider and remove along with the limiting plate when adjusting the limiting plate, the compact heap is in the top of limiting plate all the time, flexible cylinder drive compact heap makes the compact heap compress tightly by the material edge of cutting, effectually prevents the edge perk of material, avoids the corner cutting off normal. However, when the invention still has a certain speed for cutting books with large paper, the adjacent books may be rubbed and collided by the conveyor belt, so that the positions of the books are deflected, and the cutting of round corners is inaccurate. Disclosure of Invention The invention mainly aims at the problem that the existing booklet production equipment is inaccurate in cutting fillets due to friction displacement of adjacent booklets in a conveying belt conveying mode, and the differential filleting equipment is provided, so that the speeds of the adjacent conveying belts are unequal through differential driving conveying mechanisms, and when the booklets are conveyed, the booklets are effectively separated, the adjacent booklets cannot be interfered, and therefore the positions of the fillets are accurate. The technical problem is solved by the following technical scheme that the differential corner cutting equipment comprises a frame, wherein a conveying mechanism for conveying products, a blocking mechanism for positioning the products before cutting and a cutting mechanism for cutting the products are arranged on the frame, the conveying mechanism comprises a plurality of side-by-side conveyor belts, a driven shaft arranged at the beginning end or the tail end of the conveyor belts, a first driving shaft arranged at the middle part or the tail part of the conveyor belts and used for driving the conveyor belts of a single number row to operate, and a second driving shaft arranged at the middle part or the tail part of the conveyor belts and used for driving the conveyor belts of a double number row to operate; the first driving shaft is provided with a plurality of first driving wheels which are in one-to-one matching connection with the single-number-row conveyor belts at intervals, the second driving shaft is provided with a plurality of second driving wheels which are in one-to-one matching connection with the double-number-row conveyor belts at intervals, the first driving shaft is connected with a first driving gear, the second driving shaft is connected with a second driving gear, a driving chain is connected between the first driving gear and the second driving gear, the first driving gear and a first motor on the rack form driving through the gears and the driving chain, the diameter of the first driving gear is R1, the diameter of the second driving gear is R2, R1 = N x R2, the distance between the product cutting position of the single-number-row conveyor belts and the starting position of the conveyor belts is H1, and the distance between the product cutting position of the double-number-row conveyor belts and the starting position of the conveyor belts is H2, and N x H1 = H2. The arrangement enables the conveying mechanisms driven by the first driving shaft and the second driving shaft to be separated, so that the conveyor belts are positioned at different conveying speeds, and friction displacement generated during booklet transportation is effectively avoided. Preferably, the cutting mechanism comprises an upper cutter beam arranged above the conveying mechanism, a plurality of fixing seats arranged on the upper cutter beam and a cam assembly used for driving the upper cutter beam to lift, a first sliding block is arranged at the end part of the upper cutter beam and connected with a first sliding rail, the upper cutter beam can slide up and down along the first sliding rail, the fixing seats are arranged on two sides above the conveying belt, and a round-corner cutter blade is arranged on each fixing seat. The first sliding rail ensures that the upper knife beam is positioned on the same vertical plane when lifting or descending, and improves the stability when cutting. Preferably, the cam assembly comprises cams arranged on two sides of the inner